Dell XPS 8300 Service Manual page 91

1 coin-cell battery
3 Replace the computer cover (see "Replacing the Computer Cover" on
page 18).
4 Connect your computer and devices to electrical outlets, and then turn
them on.
5 Enter system setup (see "System Setup Utility" on page 103) and restore
the settings you recorded in step 1.
1
2
2 battery socket
Coin-Cell Battery
91